Python SYS Module

SYS module interacts with Python

sys.argv           command line argument list, the first element is the program itself path Sys.exit (n)        exits the program, exit normally (0) sys.version        Gets the version information of the Python interpreter Sys.maxint         the largest int value Sys.path           returns the search path for the module, using the value of the PYTHONPATH environment variable when initializing Sys.platform       Returns the operating system platform name Sys.stdout. Write ('please:'= Sys.stdin.readline () [:-1]

sys.argv

if sys.argv[1]=='post': #     print ('post  'elif sys.argv[2]=='down' : #     print ('down') # print (sys.argv[2])

Python SYS module